Systems and methods for monitoring a gear retract braking load alleviation system
A method for monitoring a gear retract braking load alleviation system includes receiving, from a wheel speed sensor associated with a wheel of a landing gear during an in-air operation, a plurality of wheel speed measurements. The method includes determining a landing gear load metric based on the plurality of wheel speed measurements. The method also includes, in response to the landing gear load metric satisfying a landing gear load threshold, generating an alert indicating a potential maintenance issue associated with the landing gear.
1 . A method comprising:
receiving, from a wheel speed sensor associated with a wheel of a landing gear during an in-air operation, a plurality of wheel speed measurements;
determining a landing gear load metric based on the plurality of wheel speed measurements, wherein said determining the landing gear load metric comprises determining the landing gear load metric based on a dynamic model of the landing gear; and
in response to the landing gear load metric satisfying a landing gear load threshold, generating an alert indicating a potential maintenance issue associated with the landing gear.
2 . The method of claim 1 , further comprising receiving, from a second wheel speed sensor associated with a second wheel of the landing gear, a second plurality of wheel speed measurements, wherein said determining the landing gear load metric comprises determining a wheel speed metric for the wheel and a second wheel speed metric for the second wheel, and wherein the second wheel speed metric is based on the second plurality of wheel speed measurements.
3 . The method of claim 1 , wherein said determining the landing gear load metric comprises analyzing the plurality of wheel speed measurements to determine a wheel speed metric.
4 . The method of claim 3 , wherein the wheel speed metric comprises a wheel acceleration metric.
5 . The method of claim 3 , wherein the plurality of wheel speed measurements comprises a plurality of wheel position measurements.
6 . The method of claim 1 , further comprising filtering an input of the dynamic model as part of an error reduction process.
7 . The method of claim 1 , further comprising filtering an output of the dynamic model as part of an error correction process.
8 . The method of claim 1 , wherein the alert is based on a characteristic of the dynamic model.
9 . The method of claim 8 , wherein the potential maintenance issue is associated with a particular operating mode.
10 . A system comprising:
one or more processors configured to:
receive, from a wheel speed sensor associated with a wheel of a landing gear, a plurality of wheel speed measurements;
determine a landing gear load metric based on the plurality of wheel speed measurements, wherein said determining the landing gear load metric is based on a dynamic model of the landing gear; and
in response to a determination that the landing gear load metric satisfies a landing gear load threshold, generate an alert indicating a potential maintenance issue associated with the landing gear.
11 . The system of claim 10 , wherein said determine the landing gear load metric comprises perform an analysis of the plurality of wheel speed measurements to determine a wheel speed metric.
12 . The system of claim 11 , wherein the wheel speed metric comprises a wheel acceleration metric.
13 . The system of claim 11 , wherein the plurality of wheel speed measurements comprises a plurality of wheel position measurements.
14 . The system of claim 10 , wherein the one or more processors are further configured to filter an input of the dynamic model as part of an error reduction process.
15 . The system of claim 10 , wherein the one or more processors are further configured to filter an output of the dynamic model as part of an error correction process.
16 . The system of claim 10 , wherein the alert is based on a characteristic of the dynamic model.
17 . The system of claim 16 , wherein the potential maintenance issue is associated with a particular operating mode.
18 . A non-transitory, computer-readable medium comprising instructions that, when executed by one or more processors, cause the one or more processors to:
receive, from a wheel speed sensor associated with a wheel of a landing gear, a plurality of wheel speed measurements;
determine a landing gear load metric based on the plurality of wheel speed measurements, wherein said determining the landing gear load metric is based on a dynamic model of the landing gear; and
in response to a determination that the landing gear load metric satisfies a landing gear load threshold, generate an alert indicating a potential maintenance issue associated with the landing gear.
19 . The non-transitory, computer-readable medium of claim 18 , wherein the instructions, when executed by the one or more processors, further cause the one or more processors to filter an input of the dynamic model as part of an error reduction process.
20 . The non-transitory, computer-readable medium of claim 18 , wherein the instructions, when executed by the one or more processors, further cause the one or more processors to filter an output of the dynamic model as part of an error correction process.